Air quality in Montebello
The US Air Quality Index (EPA) grades air from 0 to 500 using fine particles (PM2.5/PM10), ozone and nitrogen dioxide. 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and anything higher affects everyone.
US AQI · EPA
133
Unhealthy for Sensitive Groups
PM2.5
32.8 µg/m³
WHO guideline 15
PM10
39.7 µg/m³
WHO guideline 45
Hour by hour (12h)
US EPA AQI
5:00 PM
💨
PM2.5 32.8 µg/m³
133Unhealthy for Sensitive Groups
6:00 PM
💨
PM2.5 34.9 µg/m³
108Unhealthy for Sensitive Groups
7:00 PM
💨
PM2.5 35.9 µg/m³
102Unhealthy for Sensitive Groups
8:00 PM
💨
PM2.5 36 µg/m³
102Unhealthy for Sensitive Groups
9:00 PM
💨
PM2.5 35.5 µg/m³
101Unhealthy for Sensitive Groups
10:00 PM
💨
PM2.5 34.7 µg/m³
99Moderate
11:00 PM
💨
PM2.5 34.5 µg/m³
98Moderate
12:00 AM
💨
PM2.5 34.7 µg/m³
99Moderate
1:00 AM
💨
PM2.5 35.7 µg/m³
101Unhealthy for Sensitive Groups
2:00 AM
💨
PM2.5 36.8 µg/m³
104Unhealthy for Sensitive Groups
3:00 AM
💨
PM2.5 38.6 µg/m³
109Unhealthy for Sensitive Groups
4:00 AM
💨
PM2.5 41.7 µg/m³
116Unhealthy for Sensitive Groups
Next few days
daily max · US EPA AQI
Thu
💨
Unhealthy · UV Very high
156
Fri
💨
Unhealthy for Sensitive Groups · UV Very high
150
Sat
💨
Unhealthy · UV Very high
158
Sun
💨
Unhealthy for Sensitive Groups · UV Very high
115
Mon
💨
Moderate · UV Very high
86